1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 
3 struct B0;
4 
5 class A {
6   friend class B {}; // expected-error {{cannot define a type in a friend declaration}}
7   friend int; // expected-warning {{non-class friend type 'int' is a C++11 extension}}
8   friend B0; // expected-warning {{specify 'struct' to befriend 'B0'}}
9   friend class C; // okay
10 };
11